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It lasted one day: a developer has already released a 'watermark-remover' for all AI-generated text

Developer Guillaume Meyer released an open-source tool called 'watermarks-remover' on GitHub that strips invisible watermarks and metadata from AI-generated text, including outputs from Claude, Gemini, and OpenAI. The release comes one day after Anthropic confirmed that its Claude models embed invisible watermarks to identify AI-generated content.

read1 min views1 publishedAug 12, 2026

Following Anthropic's confirmation that all text generated by its new Claude models will carry an invisible watermark in order to identify that the text has been generated by AI. Read more about this measure at: https://support.claude.com/en/articles/16266773-how-claude-marks-ai-generated-content

Today, developer Guillaume Meyer published "watermarks-remover" on GitHub: an open-source project that cleans those signals generated by LLMs, such as Claude, Gemini, OpenAI and others, removing invisible Unicode characters, C2PA metadata and more.

🔗 Repository link: https://github.com/guillaumemeyer/watermarks-remover

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